1. Keep the room ventilated and dry, and open more windows for ventilation.
2. Cut off the branches that block the light outside the window to ensure that there is enough light source to shine into the room.
3. Replace the bright cold light source (such as white light) at home with a warm light source (such as yellow light), and light an ever-burning lamp in the dark at the door to increase the yang.
4. Put more plants at home and use the vitality of plants to increase the vitality of the house. But be careful not to wet the floor when watering.
5. Go out more and get more sunshine. Yang nourishes everything,